/* -*- Mode: java; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- * * The contents of this file are subject to the Netscape Public * License Version 1.1 (the "License"); you may not use this file * except in compliance with the License. You may obtain a copy of * the License at http://www.mozilla.org/NPL/ * * Software distributed under the License is distributed on an "AS * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or * implied. See the License for the specific language governing * rights and limitations under the License. * * The Original Code is Rhino code, released * May 6, 1999. * * The Initial Developer of the Original Code is Netscape * Communications Corporation.  Portions created by Netscape are * Copyright (C) 1997-1999 Netscape Communications Corporation. All * Rights Reserved. * * Contributor(s): * Igor Bukanov, igor@fastmail.fm * * Alternatively, the contents of this file may be used under the * terms of the GNU Public License (the "GPL"), in which case the * provisions of the GPL are applicable instead of those above. * If you wish to allow use of your version of this file only * under the terms of the GPL and not to allow others to use your * version of this file under the NPL, indicate your decision by * deleting the provisions above and replace them with the notice * and other provisions required by the GPL.  If you do not delete * the provisions above, a recipient may use your version of this * file under either the NPL or the GPL. */package org.mozilla.javascript;import java.util.Hashtable;public class CompilerEnvirons{    public CompilerEnvirons()    {        errorReporter = DefaultErrorReporter.instance;        languageVersion = Context.VERSION_DEFAULT;        generateDebugInfo = true;        useDynamicScope = false;        reservedKeywordAsIdentifier = false;        allowMemberExprAsFunctionName = false;        xmlAvailable = true;        optimizationLevel = 0;        generatingSource = true;    }    public void initFromContext(Context cx)    {        setErrorReporter(cx.getErrorReporter());        this.languageVersion = cx.getLanguageVersion();        useDynamicScope = cx.compileFunctionsWithDynamicScopeFlag;        generateDebugInfo = (!cx.isGeneratingDebugChanged()                             || cx.isGeneratingDebug());        reservedKeywordAsIdentifier            = cx.hasFeature(Context.FEATURE_RESERVED_KEYWORD_AS_IDENTIFIER);        allowMemberExprAsFunctionName            = cx.hasFeature(Context.FEATURE_MEMBER_EXPR_AS_FUNCTION_NAME);        xmlAvailable            = cx.hasFeature(Context.FEATURE_E4X);        optimizationLevel = cx.getOptimizationLevel();        generatingSource = cx.isGeneratingSource();        activationNames = cx.activationNames;    }    public final ErrorReporter getErrorReporter()    {        return errorReporter;    }    public void setErrorReporter(ErrorReporter errorReporter)    {        if (errorReporter == null) throw new IllegalArgumentException();        this.errorReporter = errorReporter;    }    public final int getLanguageVersion()    {        return languageVersion;    }    public void setLanguageVersion(int languageVersion)    {        Context.checkLanguageVersion(languageVersion);        this.languageVersion = languageVersion;    }    public final boolean isGenerateDebugInfo()    {        return generateDebugInfo;    }    public void setGenerateDebugInfo(boolean flag)    {        this.generateDebugInfo = flag;    }    public final boolean isUseDynamicScope()    {        return useDynamicScope;    }    public final boolean isReservedKeywordAsIdentifier()    {        return reservedKeywordAsIdentifier;    }    public void setReservedKeywordAsIdentifier(boolean flag)    {        reservedKeywordAsIdentifier = flag;    }    public final boolean isAllowMemberExprAsFunctionName()    {        return allowMemberExprAsFunctionName;    }    public void setAllowMemberExprAsFunctionName(boolean flag)    {        allowMemberExprAsFunctionName = flag;    }    public final boolean isXmlAvailable()    {        return xmlAvailable;    }    public void setXmlAvailable(boolean flag)    {        xmlAvailable = flag;    }    public final int getOptimizationLevel()    {        return optimizationLevel;    }    public void setOptimizationLevel(int level)    {        Context.checkOptimizationLevel(level);        this.optimizationLevel = level;    }    public final boolean isGeneratingSource()    {        return generatingSource;    }    /**     * Specify whether or not source information should be generated.     * <p>     * Without source information, evaluating the "toString" method     * on JavaScript functions produces only "[native code]" for     * the body of the function.     * Note that code generated without source is not fully ECMA     * conformant.     */    public void setGeneratingSource(boolean generatingSource)    {        this.generatingSource = generatingSource;    }    private ErrorReporter errorReporter;    private int languageVersion;    private boolean generateDebugInfo;    private boolean useDynamicScope;    private boolean reservedKeywordAsIdentifier;    private boolean allowMemberExprAsFunctionName;    private boolean xmlAvailable;    private int optimizationLevel;    private boolean generatingSource;    Hashtable activationNames;}